#coding=utf-8

from django.db import models
import datetime
from django.utils import timezone

class Poll(models.Model):
    question = models.CharField(max_length=200, help_text='问题')
    pub_date = models.DateTimeField('date published', help_text='更新时间')

    def __unicode__(self):
        return self.question

    def was_published_recently(self):
        return self.pub_date >= timezone.now() - datetime.timedelta(days=1)



class Choice(models.Model):
    poll = models.ForeignKey(Poll)
    choice = models.CharField(max_length=200)
    votes = models.IntegerField()

    def __unicode__(self):
        return self.choice
